12866103 has 6 divisors (see below), whose sum is σ = 18584384. Its totient is φ = 8577396.

The previous prime is 12866101. The next prime is 12866129. The reversal of 12866103 is 30166821.

It is not a de Polignac number, because 12866103 - 2¹ = 12866101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714775 + ... + 714792.

Almost surely, 2^12866103 is an apocalyptic number.

12866103 is a deficient number, since it is larger than the sum of its proper divisors (5718281).

12866103 is a wasteful number, since it uses less digits than its factorization.

12866103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429573 (or 1429570 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12866103 is about 3586.9350426234. The cubic root of 12866103 is about 234.3234077373.

The spelling of 12866103 in words is "twelve million, eight hundred sixty-six thousand, one hundred three".